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  <title>Document</title>
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<body>
  <script>
    let x = Symbol('admin');
    console.log(x);
    let y = Symbol('admin');
    console.log(y);
    console.log(x === y);

    let person = {}

    let n = Symbol('name')
    person[Symbol('name')] = "张三";
    person[n] = "李四";

    console.log(person[n]);
  </script>
</body>

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